CA2146070C - Reacteur ameliore pour la synthese de l'uree - Google Patents

Reacteur ameliore pour la synthese de l'uree Download PDF

Info

Publication number
CA2146070C
CA2146070C CA002146070A CA2146070A CA2146070C CA 2146070 C CA2146070 C CA 2146070C CA 002146070 A CA002146070 A CA 002146070A CA 2146070 A CA2146070 A CA 2146070A CA 2146070 C CA2146070 C CA 2146070C
Authority
CA
Canada
Prior art keywords
reactor
perforated
tray
liquid
urea
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002146070A
Other languages
English (en)
Other versions
CA2146070A1 (fr
Inventor
Kees Jonckers
Hendrik F. Perree
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
DSM NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DSM NV filed Critical DSM NV
Publication of CA2146070A1 publication Critical patent/CA2146070A1/fr
Application granted granted Critical
Publication of CA2146070C publication Critical patent/CA2146070C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002—Chemical plants
    • B01J2219/00018—Construction aspects
    • B01J2219/00024—Revamping, retrofitting or modernisation of existing plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00083—Coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00121—Controlling the temperature by direct heating or cooling
    • B01J2219/00128—Controlling the temperature by direct heating or cooling by evaporation of reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00162—Controlling or regulating processes controlling the pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA002146070A 1995-03-15 1995-03-31 Reacteur ameliore pour la synthese de l'uree Expired - Lifetime CA2146070C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40562395A 1995-03-15 1995-03-15
US08/405,623 1995-03-15

Publications (2)

Publication Number Publication Date
CA2146070A1 CA2146070A1 (fr) 1996-09-16
CA2146070C true CA2146070C (fr) 2002-01-29

Family

ID=23604480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002146070A Expired - Lifetime CA2146070C (fr) 1995-03-15 1995-03-31 Reacteur ameliore pour la synthese de l'uree

Country Status (3)

Country Link
US (1) US6165315A (fr)
CN (1) CN1063174C (fr)
CA (1) CA2146070C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1029573B1 (fr) * 1999-02-18 2007-06-13 Nippon Shokubai Co., Ltd. Plateau perforé sans conduite de descente, colonne avec plateau de distillation perforé sans conduite de descente et procédé de distillation
GB0114345D0 (en) * 2001-06-13 2001-08-08 Aortech Europ Ltd Heart valve prosthesis and method of manufacture
US7687041B2 (en) * 2008-02-27 2010-03-30 Kellogg Brown & Root Llc Apparatus and methods for urea production
IT1399757B1 (it) * 2010-04-30 2013-05-03 Saipem Spa Reattore per la conduzione di reazioni bifasiche gas-liquido
ITMI20111299A1 (it) 2011-07-12 2013-01-13 Saipem Spa Piatto di reattore per la produzione di urea, e reattore e processo di produzione di urea
EP3135665A1 (fr) * 2015-08-25 2017-03-01 Casale SA Réacteur-condensateur pour la synthèse de l'urée
WO2022231428A1 (fr) 2021-04-28 2022-11-03 Stamicarbon B.V. Réacteur chimique à mélangeurs statiques internes
CN115677541A (zh) * 2022-11-21 2023-02-03 中轻化工绍兴有限公司 长链烯基磺酸盐的连续化生产工艺

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857431A (en) * 1955-04-29 1958-10-21 Monsanto Chemicals Continuous process for making urea
US2973189A (en) * 1956-02-28 1961-02-28 Chu Ju Chin Fractionating columns
GB818864A (en) * 1956-05-15 1959-08-26 Monsanto Chemicals Process for the production of ureas
US3046307A (en) * 1957-04-05 1962-07-24 Distillation process for synthesizing
US3143482A (en) * 1961-01-09 1964-08-04 Phillips Petroleum Co Separation apparatus
AT284384B (de) * 1967-04-15 1970-09-10 Ennio Carraro Handgerät zum Reinigen von vertikalen ebenen Flächen, insbesondere Fensterscheiben, Glaswänden od.dgl.
CA932652A (en) * 1968-10-26 1973-08-28 B. Nazzer Don Tower vapour feed system
US4341640A (en) * 1976-09-27 1982-07-27 Standard Oil Company Urea hydrolysis
US4098579A (en) * 1977-03-03 1978-07-04 Instytut Nawozow Sztucznych Zjednoczenie "Petrochemia" Installation for conducting a synthesis reaction of urea
SU1124992A1 (ru) * 1977-12-26 1984-11-23 Предприятие П/Я А-3605 Массообменный аппарат
FR2445532A1 (fr) * 1978-12-27 1980-07-25 Schlumberger Prospection Procede et dispositif pour mesurer la resistivite des fluides dans un sondage
NL8201652A (nl) * 1982-04-21 1983-11-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
US4942066A (en) * 1989-04-21 1990-07-17 E. I. Du Pont De Nemours And Company Solid imaging method using photohardenable materials of self limiting thickness
US5002855A (en) * 1989-04-21 1991-03-26 E. I. Du Pont De Nemours And Company Solid imaging method using multiphasic photohardenable compositions
EP0487935A1 (fr) * 1990-11-26 1992-06-03 Urea Casale S.A. Procédé et réacteurs à haut rendement pour la synthèse d'urée
ES2110449T3 (es) * 1991-01-15 1998-02-16 Urea Casale Sa Procedimiento y dispositivo para aumentar el rendimiento y la capacidad de produccion de los reactores de urea.
US5223238A (en) * 1992-01-16 1993-06-29 The M. W. Kellogg Company Method for treating ammonia and urea condensates
CA2141886E (fr) * 1994-05-11 1999-10-12 Federico Zardi Reacteur pour reactions biphasiques, notamment pour la synthese d'uree a hautes pression et temperature
US5707780A (en) * 1995-06-07 1998-01-13 E. I. Du Pont De Nemours And Company Photohardenable epoxy composition

Also Published As

Publication number Publication date
CN1063174C (zh) 2001-03-14
CN1137516A (zh) 1996-12-11
CA2146070A1 (fr) 1996-09-16
US6165315A (en) 2000-12-26

Similar Documents

Publication Publication Date Title
CA1277123C (fr) Systeme reducteur de consommation d'energie par le perfectionnement dereacteurs servant a la synthese catalytique heterogene, et lesdits reacteurs
EP2707128B1 (fr) Réacteur d'ammoximation pour la production de cyclohexanone oxime
EP0787036B1 (fr) Reacteur pour reactions a deux phases, et notamment pour la synthese de l'uree a haute temperature et sous haute pression
US8283386B2 (en) Method of operating a fluid bed reactor
US5705673A (en) Continuous process for the preparation of phenyl methyl carbonate
CA2146070C (fr) Reacteur ameliore pour la synthese de l'uree
US20170107177A1 (en) Process for synthesis of urea and a related arrangement for a reaction section of a urea plant
CA2323432C (fr) Dispositif de mise en contact gaz/liquide
CA2361054C (fr) Procede de preparation d'uree
RU2136361C1 (ru) Способ модернизации in situ реактора синтеза мочевины и реактор
WO1988004199A1 (fr) Lit fluidise
RU2160626C2 (ru) Реактор гидролиза для удаления мочевины, аммиака и диоксида углерода из жидкой фазы, содержащей мочевину в водном растворе
CA1283525C (fr) Methode pour realiser la repartition optimum du gaz dans des lits de catalyse pour reactions heterogenes en phase gazeuse
EP0287765B1 (fr) Système pour modifier le rendement de réacteurs pour des synthèses exothermiques, en particulier pour la réaction d'ammoniac
EP0359952A3 (fr) Système pour la modification des réacteurs de synthèse de méthanol et les réacteurs obtenus
EP1377541B1 (fr) Procede de production d'uree
CA1296870C (fr) Systeme d'economie d'energie pour reacteur heterogene a unites multiples etreacteur comportant le systeme
WO1999050235A1 (fr) Appareil et procede de preparation d'uree a partir de dioxyde de carbone et d'ammoniac
RU2804777C1 (ru) Реактор синтеза мочевины
EP3993899B1 (fr) Réacteur de synthèse de l'urée
RU2021132693A (ru) Способ синтеза мочевины
JPH04202171A (ja) α，β―不飽和ニトリルの製造装置
CN1611483A (zh) 酯交换法合成碳酸二苯酯的内循环反应器

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20150331